During the burner motor of the gas-fired boiler running, and the voltage is connected to the control

Question details (performance):

The burner motor of the gas boiler is running. The voltage is connected to the controller terminal. there is no ignition, and then stop by failure.

Answer: Fault reason:

(1) The ignition electrode distance is too large.

(2) Being contaminated.

(3) Ignition electrode or circuit grounding.

(4) The ignition transformer fails.

Troubleshooting:

(1) Adjust the electrode spacing.

(2) Cleaning.

(3) Eliminate the ground and replace the damaged electrode or cable.

(4) Replace the ignition transformer.